package com.edu.service;

import com.edu.bean.Writer;

/**
 * @Author:何包蛋
 * @Date :2022/11/10 - 11 - 10 - 15:36
 */
public interface WriterService {

    void addWriter(Writer writer);

    void delWriter(int writerId);

    Writer getWriterById(int writerid);
}
